Effect of annealing soften on microstructure and hardness of high strength steel 300M
Wang Hongli, Wu Chengchuan, Du Simin, Li Yuan, Luo Xianghua, Ye Wenbing
Heat Treatment of Metals . 2021, (3): 100 -103 .  DOI: 10.13251/j.issn.0254-6051.2021.03.020